C132233133112121111331333133313331323221323221211113313232223211   >>    C13223313311212111133133313331333132322132322121111331323222321   <<    C132233133112121111331333133313331323221323221211113313232223213   >>      C132233133112121111331333133313331323221323221211113313232223212   >>